Electrical power supply plug



FIG. 1 is a side elevational view of an electrical power supply plug showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof as seen from the opposite side of FIG. 1;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top, front and side perspective view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top, rear and side perspective view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom, front and side perspective view thereof;

FIG. 10 is a side elevational view of another embodiment of my new design, the opposite side being a mirror image;

FIG. 11 is a top plan view thereof, the bottom side being a mirror image; and,

FIG. 12 is a front elevational view thereof. 

The ornamental design for an electrical power supply plug, as shown and described. 